Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Do you students know their place? Place values, that is. With activities covering the range of thousandths to ten millions, this comprehensive math lesson is sure to please young mathematicians.

Marie Curie’s monumental achievements in chemistry and physics are remarkable. In this lesson, your students will read two accounts of her life, integrate the details, and assess the importance of having more than one source of information.